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Round|Lab Grown|IGI

1.66ct F VVS1 Round Lab Grown Diamond

EX • F/VVS1 • IGI LG804620467

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804620467

Diamond specifications and retailer prices

From $584 USD
As of November 1, 2026
Save $838 USD (59%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,422 USD at MOH London · As of November 3, 2026
View at MOH London

About this 1.66ct lab-grown round diamond

This 1.66ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG804620467 or 804620467. Listed at 14 retailers as of November 1, 2026, with prices from $584 to $1,422, a $838 spread on the same certified stone. MOH London lists it at $1,422. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
F
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804620467
Dimensions7.74 × 7.68 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.74 mm7.68 mm1.66 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804620467
Side View
Table 60.0%Crown 32.6°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 59.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,422 USD|Low: $355 USD|High: $1,492 USD|Avg: $858 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 11$355 USD
Retailer 8$584 USD
Retailer 5$585 USD
Retailer 2$620 USD
Retailer 9$696 USD
Retailer 10$710 USD
Retailer 4$825 USD
Retailer 6$1,090 USD
Retailer 3$1,190 USD
Retailer 7$1,365 USD
MOH London$1,422 USD

24 data points across 11 retailers

14 retailers$584 USD to $1,422 USD

Retailer 1
-
$275 USD
Price last confirmed 32 days ago
Retailer 2
-
$332 USD
View
Price last confirmed 31 days ago
Retailer 3
-
$355 USD
View
Price last confirmed 31 days ago
B+
Retailer 4
-
$584 USD
View
B+
Retailer 5
-
$585 USD
View
B+
Retailer 6
-
$620 USD
£488 GBP
View
B+
Retailer 7
-
$696 USD
View
B+
Retailer 8
-
$710 USD
View
B+
Retailer 9
-
$825 USD
A$1,269 AUD
View
B
Retailer 10
-
$1,090 USD
View
Retailer 11
-
$1,141 USD
View
Price last confirmed 33 days ago
B
Retailer 12
-
$1,190 USD
View
B
Retailer 13
-
$1,365 USD
View
Most Expensive
B
MOH London
LG804620467 · Nov 3
$1,422 USD
£1,120 GBP
View
13 more retailers have this diamond
Prices start from $584 USDSave up to $838 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.66ct Round
$584 USD